20090423, 00:09  #408  
A Sunny Moo
Aug 2007
USA (GMT5)
3·2,083 Posts 
Quote:
For example, my quad can produce approximately 1000 tests per day at port 8000's current level. That comes out to, on average, one prime in 6.7 daysround that up to 7 to account for the fact that my quad produces a wee bit less than 1000 tests (more like 930950) per day. I've had it on port 8000 since close to the beginning of this monthmore than 3 weeks of constant testing on that port. Yet, I've only pulled out one prime so far! I know these things even out over the long run, but then listen to this: Before that, I had the same quad on IB4000 (which Gary quoted the odds for as "worse than 1 in 7000") for more than 2 months. Based on what I remember being able to crank out on that port, I calculated that (assuming a 1 in 7100 odds of prime) I *should* be able to pop out one prime every 10 days. However, in all of those ~2.5 months I only found one! I guess I'm long overdue for a big run of primes by nowhey, these things have got to balance out sometime or other! Max 

20090423, 00:25  #409 
Jan 2009
43 Posts 
Sorry about that gd_barnes. I knew it wasn't for the top 5000 and I new is fit in the 'k' value for this thread but didn't notice that it did not fit the 'n' requirement for this thread.
My apologies, working on 3 hours sleep in the last 48 hours isn't helping me any. 
20090423, 00:29  #410  
May 2007
Kansas; USA
10131_{10} Posts 
Quote:
Last fiddled with by gd_barnes on 20090423 at 00:34 

20090423, 00:38  #411  
May 2008
Wilmington, DE
2^{2}·709 Posts 
Quote:
I had the same problems as David did when I first started. It took me a week to figure out the difference between a k and an n. 

20090423, 05:39  #412 
Jun 2006
Chertsey Surrey UK
2×179 Posts 
1909*2^5604351 New Prime

20090423, 13:17  #413 
I ♥ BOINC!
Oct 2002
Glendale, AZ. (USA)
3·7·53 Posts 
Added 87843 : 1627*2^5637891 (169721 digits)

20090423, 20:15  #414 
Apr 2009
14_{8} Posts 
1893*2^5651911 is Prime! It appears to be 170143 digits long
(hope this is the right thread :p) 
20090423, 20:44  #415  
May 2008
Wilmington, DE
2836_{10} Posts 
Quote:


20090424, 03:27  #416 
I ♥ BOINC!
Oct 2002
Glendale, AZ. (USA)
10001011001_{2} Posts 
Added 87848 : 1867*2^5654891 (170233 digits)

20090424, 10:31  #417 
Jan 2005
Sydney, Australia
335_{10} Posts 
1665*2^5677361 prime already in database.

20090424, 15:13  #418 
I ♥ BOINC!
Oct 2002
Glendale, AZ. (USA)
459_{16} Posts 
Added 87860 : 1735*2^5681511 (171034 digits)

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